/**
 * Copyright 2016 LinkedIn Corp. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 */
package com.github.ambry.metrics;

import java.util.Map;
import java.util.Set;


public interface ReadableMetricsRegistry extends MetricsRegistry {
  Set<String> getGroups();

  Map<String, Metric> getGroup(String group);

  void listen(ReadableMetricsRegistryListener listener);

  void unlisten(ReadableMetricsRegistryListener listener);
}

